<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <title>作业</title>
    <link rel="stylesheet" href="../../common/reset.css">
    <link rel="stylesheet" href="./盒子.css">
</head>

<body>
    <!-- 标准盒模型 -->
    <div class="boxA">
        <div class="boxB">boxB</div>
        <div class="boxC">boxC</div>
    </div>

    <!-- IE盒模型 -->
    <div class="boxD">
        <div class="boxE">boxB</div>
        <div class="boxF">boxC</div>
    </div>
</body>

</html>